11415580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 27538560

約数和(自身を除く): 16122980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 2731, 4180, 5462, 10924, 13655, 27310, 30041, 51889, 54620, 60082, 103778, 120164, 150205, 207556, 259445, 300410, 518890, 570779, 600820, 1037780, 1141558, 2283116, 2853895, 5707790, 11415580]

約数ペア:

[(1, 11415580), (2, 5707790), (4, 2853895), (5, 2283116), (10, 1141558), (11, 1037780), (19, 600820), (20, 570779), (22, 518890), (38, 300410), (44, 259445), (55, 207556), (76, 150205), (95, 120164), (110, 103778), (190, 60082), (209, 54620), (220, 51889), (380, 30041), (418, 27310), (836, 13655), (1045, 10924), (2090, 5462), (2731, 4180)]